How to Install IntelliJ IDEA 2017.2.6 in Ubuntu:

Grab the package, extract, and run the executable to launch the IDE. You may manually create an application shortcut to be able to start it from app launcher.

For Ubuntu 14.04, Ubuntu 16.04, Ubuntu 17.04, Ubuntu 17.10, you can also use the installer script that automatically downloads the IDE from JetBrains’ web server, installs it to /opt/, and finally creates an app shortcut for it.

How to Install IntelliJ IDEA 2017.2.1 in Ubuntu:

Grab the package, extract, and run the executable to launch the IDE. You may manually create an application shortcut to be able to start it from app launcher.

For Ubuntu 14.04, Ubuntu 16.04, Ubuntu 17.04, Ubuntu 17.10, you can also use the installer script to download the IDE from JetBrains’ web server, install it to /opt/, and automatically create an app shortcut for it.